A Direct White-Light-Emitting Metal−Organic Framework with Tunable Yellow-to-White Photoluminescence by Variation of Excitation Light
Journal of the American Chemical Society2009Vol. 131(38), pp. 13572–13573
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Ming‐Sheng Wang, Sheng‐Ping Guo, Yan Li, Li‐Zhen Cai, Jian‐Ping Zou, Gang Xu, Weiwei Zhou, Fa‐Kun Zheng, Guo-Cong Guo
Abstract
A direct white-light metal-organic framework (MOF), [AgL](n) x nH(2)O (1, L = 4-cyanobenzoate), obtained by the reaction of deprotonated 4-cyanobenzoic acid and AgNO(3) in water, was found to exhibit tunable yellow-to-white photoluminescence by variation of excitation light. Interestingly, the close pure white emission of 1 has CIE-1931 chromaticity coordinates of (0.33, 0.34) when excited by 349-nm UV light, which is compatible to the light output of the deep UV LED.
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